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sync_struct/Subscriber: support lists of notify callbacks

This commit is contained in:
Sebastien Bourdeauducq 2015-11-11 17:09:07 +08:00
parent 62c0eb85b1
commit 11fbea4161
1 changed files with 8 additions and 3 deletions

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@ -51,11 +51,16 @@ class Subscriber:
:param notify_cb: An optional function called every time a mod is received
from the publisher. The mod is passed as parameter. The function is
called after the mod has been processed.
A list of functions may also be used, and they will be called in turn.
"""
def __init__(self, notifier_name, target_builder, notify_cb=None):
self.notifier_name = notifier_name
self.target_builder = target_builder
self.notify_cb = notify_cb
if notify_cb is None:
notify_cb = []
if not isinstance(notify_cb, list):
notify_cb = [notify_cb]
self.notify_cbs = notify_cb
async def connect(self, host, port, before_receive_cb=None):
self.reader, self.writer = \
@ -97,8 +102,8 @@ class Subscriber:
else:
process_mod(target, mod)
if self.notify_cb is not None:
self.notify_cb(mod)
for notify_cb in self.notify_cbs:
notify_cb(mod)
class Notifier: